hellhound vs trouble maker

hellhound and trouble maker both are nouns.

Word	Noun	Adjective	Verb	Adverb
hellhound	Yes	No	No	No
trouble maker	Yes	No	No	No

As nouns, trouble maker is a hypernym of hellhound; that is, trouble maker is a word with a broader meaning than hellhound:

Other hypernyms of hellhound include bad hat, mischief-maker, troublemaker, troubler.

hellhound (noun)	trouble maker (noun)
a very evil man	someone who deliberately stirs up trouble
(Greek mythology) the three-headed dog guarding the entrance to Hades; son of Typhon